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php steps to convert string (string) to binary: 1. Use bin2hex() function to convert the string to hexadecimal value, syntax "bin2hex(string)"; 2. Use base_convert() The function can convert a hexadecimal value into a binary value, the syntax is "base_convert(hexadecimal value, 16, 2)".
The operating environment of this tutorial: Windows 7 system, PHP version 8.1, DELL G3 computer
php will string ( Method to convert string) to binary
#php converts string (string) to binary, you need to use hexadecimal.
Step 1: Use the bin2hex() function to convert string (string) to hexadecimal
bin2hex(string)
The function converts ASCII Converts a string of characters to a hexadecimal value.
Return value: Returns the hexadecimal value of the string to be converted.
<?php $str = bin2hex("Hello!"); echo "字符串对应的16进制值:".$str."<br>"; ?>
Step 2: Use the base_convert() function to convert the hexadecimal value to a binary value
base_convert( The number or string to be converted, the original base, the base to be converted)
function, it can convert between any bases
Just need to setbase_convert(hexadecimal System value, 16, 2)
can convert the hexadecimal value to binary.
<?php header('content-type:text/html;charset=utf-8'); $str = bin2hex("Hello"); echo "字符串对应的16进制值:".$str."<br>"; echo "字符串对应的2进制值:".base_convert($str, 16, 2); ?>
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